The fracture line in type I fractures in the pediatric patient may not completely pass through the epiphysis to the articular surface. Jakob [15] classified this as a type I nondisplaced fracture.

Supracondylar fractures constitute ... the distal humerus fracture anteriorly. Gartland [1] classified extension fractures into three types: type I fractures are nondisplaced; type II fractures ...